Write a Program to find duplicate number between 1 to N Numbers

This article will help you to understand “Java Program to find duplicate number.”

Here we have an array from 1 to N with one duplicate number.

e.g we have array from 1 to 10 and 2 is repeated once in this array. Then we need to find that 2 is a duplicate number in given array.

Java Program to find duplicate number between 1 to N Numbers

Output

Duplicate Number is : 2
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